Home / 35,357.74-53,033.84-20,557.22

Finding the Fourth Proportional to 35,357.74, 53,033.84 and 20,557.22

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Solution

The fourth proportional to 35,357.74, 53,033.84 and 20,557.22 is: 30,834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,357.74 : 53,033.84 = 20,557.22 : x
  2. Step 2: Convert to fraction form
    35,357.74/53,033.84 = 20,557.22/x
  3. Step 3: Cross multiply
    35,357.74x = 53,033.84 × 20,557.22
  4. Step 4: Simplify right side
    35,357.74x = 1,090,228,316.32
  5. Step 5: Solve for x
    x = 1,090,228,316.32/35,357.74
  6. Step 6: Final answer
    x = 30,834.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.